<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
		<script src="jquery.min.js" type="text/javascript">
			//作业
		//实现将鼠标移动到指定的图片位置时，出现大图片预览
		
		</script>
		<script type="text/javascript">
			$(function(){
				$("#a").mouseover(function(){
					 $("#b").show();
				})
				$("#a").mouseout(function(){
					 $("#b").hide();
				})
			})
		</script>
		<style type="text/css">
			#b{
				width: 200px;
				height: 200px;  
				background: cornsilk;
				position:relative ;
				top: 50px;
			
			}
		</style>
	</head>
	<body>
		
			
			<img id="a" src="1540470600-KEpPibVBWr.jpg" height="100px" width="100px"/>
		  
		
		<div id="b">
		  	   <img src="1540470600-KEpPibVBWr.jpg" height="200px" width="200px"/>
		  </div>
	</body>
</html>
